Mixed feedback and feedforward control design for multi-axis vibration isolation systems

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Abstract

This paper proposes a multi-loop single-input single-output control strategy for multi-axis vibration isolation systems. In this strategy, a combination of acceleration feedback and relative position feedback is used to improve the suppression of disturbances acting directly on the isolated payload. In addition, feedforward control is used to counteract the effect of floor vibrations. By mixing the control loops, amplification of sensor noise is minimized while performance in terms of vibration isolation and leveling is optimized. Experimental validation of the control strategy at an industrial vibration isolation system demonstrates performance improvement within the frequency range of interest in multiple directions, which illustrates the effectiveness and usefulness of the proposed design method.

LanguageEnglish
Pages106-116
Number of pages11
JournalMechatronics
Volume61
DOIs
StatePublished - 1 Aug 2019

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Feedforward control
Feedback control
Feedback
Amplification
Sensors

Keywords

  • Active vibration isolation
  • Feedback control
  • Feedforward control
  • Sensor mixing

Cite this

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title = "Mixed feedback and feedforward control design for multi-axis vibration isolation systems",
abstract = "This paper proposes a multi-loop single-input single-output control strategy for multi-axis vibration isolation systems. In this strategy, a combination of acceleration feedback and relative position feedback is used to improve the suppression of disturbances acting directly on the isolated payload. In addition, feedforward control is used to counteract the effect of floor vibrations. By mixing the control loops, amplification of sensor noise is minimized while performance in terms of vibration isolation and leveling is optimized. Experimental validation of the control strategy at an industrial vibration isolation system demonstrates performance improvement within the frequency range of interest in multiple directions, which illustrates the effectiveness and usefulness of the proposed design method.",
keywords = "Active vibration isolation, Feedback control, Feedforward control, Sensor mixing",
author = "Beijen, {Michiel A.} and Heertjes, {Marcel F.} and Hans Butler and Maarten Steinbuch",
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AU - Beijen,Michiel A.

AU - Heertjes,Marcel F.

AU - Butler,Hans

AU - Steinbuch,Maarten

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Y1 - 2019/8/1

N2 - This paper proposes a multi-loop single-input single-output control strategy for multi-axis vibration isolation systems. In this strategy, a combination of acceleration feedback and relative position feedback is used to improve the suppression of disturbances acting directly on the isolated payload. In addition, feedforward control is used to counteract the effect of floor vibrations. By mixing the control loops, amplification of sensor noise is minimized while performance in terms of vibration isolation and leveling is optimized. Experimental validation of the control strategy at an industrial vibration isolation system demonstrates performance improvement within the frequency range of interest in multiple directions, which illustrates the effectiveness and usefulness of the proposed design method.

AB - This paper proposes a multi-loop single-input single-output control strategy for multi-axis vibration isolation systems. In this strategy, a combination of acceleration feedback and relative position feedback is used to improve the suppression of disturbances acting directly on the isolated payload. In addition, feedforward control is used to counteract the effect of floor vibrations. By mixing the control loops, amplification of sensor noise is minimized while performance in terms of vibration isolation and leveling is optimized. Experimental validation of the control strategy at an industrial vibration isolation system demonstrates performance improvement within the frequency range of interest in multiple directions, which illustrates the effectiveness and usefulness of the proposed design method.

KW - Active vibration isolation

KW - Feedback control

KW - Feedforward control

KW - Sensor mixing

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T2 - Mechatronics

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SN - 0957-4158

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